[INFO] fetching crate px-wsdom-core 0.0.6...
[INFO] building px-wsdom-core-0.0.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate px-wsdom-core 0.0.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate px-wsdom-core 0.0.6
[INFO] finished tweaking crates.io crate px-wsdom-core 0.0.6
[INFO] tweaked toml for crates.io crate px-wsdom-core 0.0.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate px-wsdom-core 0.0.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate px-wsdom-core 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast v1.0.20
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f1804c04c766ebcc3669436c558de93f94c52eed312ebb7e876bf4a5c004bc3
[INFO] running `Command { std: "docker" "start" "-a" "0f1804c04c766ebcc3669436c558de93f94c52eed312ebb7e876bf4a5c004bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f1804c04c766ebcc3669436c558de93f94c52eed312ebb7e876bf4a5c004bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1804c04c766ebcc3669436c558de93f94c52eed312ebb7e876bf4a5c004bc3", kill_on_drop: false }`
[INFO] [stdout] 0f1804c04c766ebcc3669436c558de93f94c52eed312ebb7e876bf4a5c004bc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b19786bf1b4d756510d479032e44c49d4b2e0d691b9e3a5807e7e5587d8d84b7
[INFO] running `Command { std: "docker" "start" "-a" "b19786bf1b4d756510d479032e44c49d4b2e0d691b9e3a5807e7e5587d8d84b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ref-cast v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling ref-cast-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling px-wsdom-core v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `task::Waker`
[INFO] [stdout]   --> src/operations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     task::Waker,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spin::Mutex`
[INFO] [stdout]  --> src/retrieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use spin::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BrowserInternal`
[INFO] [stdout]   --> src/retrieve.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::link::{BrowserInternal, Error, RetrievalState};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GET`
[INFO] [stdout]   --> src/retrieve.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::protocol::{GET, REP, CATCH};
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/rpc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `browser`
[INFO] [stdout]   --> src/rpc.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         browser: &Browser,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_browser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]   --> src/rpc.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         recv: &RpcCellAM,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/rpc.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         lock: &Lock,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `browser`
[INFO] [stdout]   --> src/rpc.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         browser: &Browser,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_browser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]   --> src/rpc.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         recv: &RpcCellAM,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/rpc.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         lock: &Lock,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidReturn` is never constructed
[INFO] [stdout]    --> src/link.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | struct InvalidReturn;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandSerializeFailed` is never constructed
[INFO] [stdout]    --> src/operations.rs:390:8
[INFO] [stdout]     |
[INFO] [stdout] 390 | struct CommandSerializeFailed;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALLOC` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const ALLOC: &str = "_w.a"; //ALLOC(Value) returns a new JS-created Id from Value
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nope` is never read
[INFO] [stdout]   --> src/rpc.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Lock {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 58 |     nope: (),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.95s
[INFO] running `Command { std: "docker" "inspect" "b19786bf1b4d756510d479032e44c49d4b2e0d691b9e3a5807e7e5587d8d84b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19786bf1b4d756510d479032e44c49d4b2e0d691b9e3a5807e7e5587d8d84b7", kill_on_drop: false }`
[INFO] [stdout] b19786bf1b4d756510d479032e44c49d4b2e0d691b9e3a5807e7e5587d8d84b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e31943647283d4b852ee730e7b6b1d43414cdc8cd0ffbe56c93e1b2d2a5f5bd3
[INFO] running `Command { std: "docker" "start" "-a" "e31943647283d4b852ee730e7b6b1d43414cdc8cd0ffbe56c93e1b2d2a5f5bd3", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `task::Waker`
[INFO] [stdout]   --> src/operations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     task::Waker,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spin::Mutex`
[INFO] [stdout]  --> src/retrieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use spin::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BrowserInternal`
[INFO] [stdout]   --> src/retrieve.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::link::{BrowserInternal, Error, RetrievalState};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GET`
[INFO] [stdout]   --> src/retrieve.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::protocol::{GET, REP, CATCH};
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/rpc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `browser`
[INFO] [stdout]   --> src/rpc.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         browser: &Browser,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_browser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]   --> src/rpc.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         recv: &RpcCellAM,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/rpc.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         lock: &Lock,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `browser`
[INFO] [stdout]   --> src/rpc.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         browser: &Browser,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_browser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]   --> src/rpc.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         recv: &RpcCellAM,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/rpc.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         lock: &Lock,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidReturn` is never constructed
[INFO] [stdout]    --> src/link.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | struct InvalidReturn;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandSerializeFailed` is never constructed
[INFO] [stdout]    --> src/operations.rs:390:8
[INFO] [stdout]     |
[INFO] [stdout] 390 | struct CommandSerializeFailed;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling px-wsdom-core v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `ALLOC` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const ALLOC: &str = "_w.a"; //ALLOC(Value) returns a new JS-created Id from Value
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nope` is never read
[INFO] [stdout]   --> src/rpc.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Lock {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 58 |     nope: (),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::Waker`
[INFO] [stdout]   --> src/operations.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     task::Waker,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spin::Mutex`
[INFO] [stdout]  --> src/retrieve.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use spin::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BrowserInternal`
[INFO] [stdout]   --> src/retrieve.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::link::{BrowserInternal, Error, RetrievalState};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GET`
[INFO] [stdout]   --> src/retrieve.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::protocol::{GET, REP, CATCH};
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/rpc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `browser`
[INFO] [stdout]   --> src/rpc.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         browser: &Browser,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_browser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]   --> src/rpc.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         recv: &RpcCellAM,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/rpc.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         lock: &Lock,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `browser`
[INFO] [stdout]   --> src/rpc.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         browser: &Browser,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_browser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `recv`
[INFO] [stdout]   --> src/rpc.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         recv: &RpcCellAM,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_recv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/rpc.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         lock: &Lock,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidReturn` is never constructed
[INFO] [stdout]    --> src/link.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 229 | struct InvalidReturn;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CommandSerializeFailed` is never constructed
[INFO] [stdout]    --> src/operations.rs:390:8
[INFO] [stdout]     |
[INFO] [stdout] 390 | struct CommandSerializeFailed;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALLOC` is never used
[INFO] [stdout]   --> src/protocol.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const ALLOC: &str = "_w.a"; //ALLOC(Value) returns a new JS-created Id from Value
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nope` is never read
[INFO] [stdout]   --> src/rpc.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Lock {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 58 |     nope: (),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "e31943647283d4b852ee730e7b6b1d43414cdc8cd0ffbe56c93e1b2d2a5f5bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31943647283d4b852ee730e7b6b1d43414cdc8cd0ffbe56c93e1b2d2a5f5bd3", kill_on_drop: false }`
[INFO] [stdout] e31943647283d4b852ee730e7b6b1d43414cdc8cd0ffbe56c93e1b2d2a5f5bd3